System Guides
Direct answers for choosing the right download, checking system and accessory compatibility, and deciding whether a setup needs new hardware at all.
Choose a system decision guide
Each guide states the decision it can answer, the limits of that answer, and the official sources to check before installing or buying.
How to Check If Your Mac Is Apple Silicon or Intel
Check whether your Mac uses Apple Silicon or Intel, inspect an installed app's architecture, and choose the right Mac download.
How to Tell If Your Windows Is 32-bit or 64-bit
Find out whether Windows is 32-bit or 64-bit and pick the correct installer.
Apple Silicon vs Intel Mac: Choose the Right Download
Choose the correct Mac app build, understand Intel-only app support as Rosetta changes, or select a native ARM64/aarch64 Linux ISO for an Apple-silicon virtual machine.
Office 2024 on Windows ARM64: Choose the Right Version
Understand Office 2024, Microsoft 365, 32-bit, 64-bit, and Windows ARM requirements before installing on a Surface Pro or another ARM PC.
How to Download macOS Catalina and Check Mac Compatibility
Use Apple's official macOS Catalina installer routes, verify your exact Mac model, and avoid unofficial download sources.
ARM64 vs x64 vs x86: Which Windows Installer Should You Download?
Compare ARM64, x64, and x86 before choosing a Windows app installer or Windows 11 25H2 image: x64 for Intel or AMD, ARM64 for Windows on Arm, and x86 only for legacy 32-bit apps or Windows 10.
How to Verify the Latest Software Version Safely
Check whether a software version is current without relying on mirrors, ads, or stale download pages.
DMG vs PKG vs ZIP on Mac: Which Download Should You Use?
Understand common Mac download formats and when to choose a DMG, PKG installer, or ZIP archive.
Before You Update Your OS: Backup and Accessory Checklist
A practical checklist for backing up, checking compatibility, and preparing accessories before a macOS, Windows, iOS, or Android update.
OBS Setup Checklist: Webcam, Microphone, Lighting, and Storage
A practical OBS setup checklist for checking your webcam, microphone, lighting, storage, and software version before recording or streaming.
Cloudflare Tunnel Hardware Checklist for an Always-On Host
Decide whether cloudflared needs a dedicated host and check processor, Ethernet, power, cooling, and maintenance requirements before comparing hardware.
Air Mattress Pump Power Compatibility: Outlets, Voltage, and Travel Use
Check an electric air-mattress pump's voltage, plug, outlet, vehicle socket, and travel-power requirements before inflation.
Apple Silicon Accessory Compatibility: Ports, Displays, Ethernet, and Storage
Check an Apple Silicon Mac's ports and match USB-C hubs, external displays, wired Ethernet, and storage to a verified connection requirement.
Can I Install Ubuntu on This PC? Requirements and ISO Choice
Can I install Ubuntu on this PC? Check Ubuntu Desktop 26.04 requirements, choose amd64 or ARM64, and test older hardware before replacing Windows.